Lighting fixture



FIG. 1 is a top, front perspective view of the design;

FIG. 2 is a bottom, rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines on top of the lighting fixture are included for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a lighting fixture, as shown and described. 